Optical

Optical
Optical level switches are sensors with an electrical contact output at a specific liquid level. Dwyer models are low cost and compact. Optical level switches provide rapid response while employing mo moving parts. Applications include air conditioning systems, sumps, pharmaceutical, hydraulic reservoirs, and liquid holding tanks.
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  1. Series OLS Optitrol® Optical Level Switch
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    Optitrol® Optical Level Switch is low cost and employs an LED. Appl ...
    Starting at $92.50
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